During 1926–1928, Berkman had
one man shows at the
Wadsworth Atheneum, Hartford, Connecticut; Babcock Galleries, New York; and Grace Home Galleries, Boston, Mass. He had additional one-man exhibitions at Associated American Artists, NYC, in 1945; Erick Newhouse Galleries, NYC, 1952; Babcock Galleries, NYC, 1954; Kaufman
Art Gallery, NYC, in 1945, 1952, 1962 and 1966. The group exhibitions included the
Brooklyn Museum,
Brooklyn, New York; The Connecticut Academy of Fine Arts; A.C.A. Gallery, New York; John Myers Gallery 21, New York; Norlyst Gallery, New York; Morgan Memorial, Hartford, Conn.; The Riverdale Museum, New York; The American Watercolor Society, New York; Roerich Museum, New York; The New School, New York;
Bronx, New York Museum of the Arts; the W.P.A. Artists 50th Anniversary Exhibition; Audubon Artists, NYC; The New York WPA Artists Exhibition at Passaic County College,
Passaic, New Jersey; Hudson River Gallery,
Ossining, New York; The Borough Presidents Gallery, New York City; The Monhegan Museum, Monhegan, Maine; and The
Nassau County Museum of Art,
Roslyn Harbor, New York. == Publications ==